package org.misty.seckill.util;

import java.util.UUID;

public class UUIDUtil {
  public static String uuid() {
    return UUID.randomUUID().toString().replace("-", "");
  }

  public static void main(String[] args) {
    System.out.println(uuid());
    System.out.println(uuid());
    System.out.println(uuid());
  }
}
